google.appengine.api.blobstore.blobstore_stub.CreateUploadSession

Create upload session in datastore.

Creates an upload session and puts it in Datastore to be referenced by upload handler later.

creation Creation timestamp.
success_path Path in users application to call upon success.
user User that initiated this upload, if any.
max_bytes_per_blob Maximum number of bytes for any blob in the upload.
max_bytes_total Maximum aggregate bytes for all blobs in the upload.
bucket_name Name of the Google Storage bucket tio upload the files.

String encoded key of new Datastore entity.